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Geant4 Simulations of the gSPEC Experimental Apparatus

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N. Maniatis, Theo J. Mertzimekis (http://orcid.org/0000-0001-9191-7903)
N. Maniatis, Theo J. Mertzimekis

Abstract


A new setup (gSPEC) for the measurements of magnetic moments in exotic species is proposed for development at FAIR, the international nuclear facility currently under construction in Darmstadt, Germany. The experimental setup will use a few of the state–of–the–art segmented DEGAS detectors available at GSI, acquire a new large dipole magnet to induce external magnetic fields required for the application of the Time–Differential Perturbed Angular Distribution (TDPAD) technique and integrate ancillary detection systems as part of a research plan to study the properties of exotic species that will made available at FAIR. At the current stage, the envisioned gSPEC setup is still in R&D. Several configurations of the detectors are considered, but optimization relies on detailed simulations of the total efficiency in various geometries. In this work, DEGAS detectors and a split–pole superconducting magnet are studied using the latest GEANT4 simulation package. The simulations aim to offer insight on the detector setup performance before gSPEC is actually constructed.

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References


G.-S. Li et al. Nucl. Instrum. Meth. Phys. Res. A 890, 02 (2018)

C.M. Poole et al., Austral. Phys. Eng. Sci. Med. 35, 329 (2012)




DOI: http://dx.doi.org/10.12681/hnps.2479

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